Table 2.

Representation of all biopsies collected and cultured from 10 Alberta farms, 1 Saskatchewan farm, and an Alberta slaughterhouse, by lesion grade

Farm	No. cows	Lesion grade
		M0	M1	M2	M3	M4	M4.1
1	4	0	0	3	0	0	1
2	20	0	2	6	0	6	10
3	7	0	1	1	0	1	4
4	12	0	6	5	0	0	1
5	22	0	0	11	13	0	0
6	6	0	1	2	0	0	3
7	15	0	4	7	0	1	4
8	3	0	0	0	0	2	1
9	8	0	0	0	0	1	7
10	26	0	1	5	0	3	6
11S	10	10	0	0	0	0	0
Abattoir	9	21	1	0	0	1	0
Total	142	31	16	40	13	15	37

^SIndicates Saskatchewan farm.